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Wuxi Hengye Electric Heater Equipment Co.,Ltd
Add: No.38, Luou Rd., Xituo Area, Hudai Industrial Park, Binhu District, Wuxi
Tel: +86-510-8560 0787
  +86-510-8561 3197
Fax: +86-510-8546 3203
Contact:Mr. Wang13706181461
     Mr. Pu13861896520
     Mr. Wang13771478936
E-mail: wxhydr@qq.com
    sales@hengyecn.cn
    httdq@163.net
Web: http://www.hengyecn.cn
 
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Understand the basic knowledge of explosion proof electrical equipment

Explosion proof electrical common sense, a brief introduction to the following.

1.explosion proof D will equipment in normal operation, can produce spark arc parts placed in the explosion-proof enclosure, the explosion of the shell can withstand the internal pressure without loss of explosion, and can prevent the explosion spread to the outer shell.

2.E in normal operation will not produce arc, spark and dangerous high temperature, in the structure and then take measures to further protect the safety of equipment.

3..Positive pressure type P keep internal protective gas pressure is higher than the surrounding, so as to avoid an explosive mixture into the shell, or make a sufficient amount of protective gas through the shell, the internal explosive mixture concentration below the lower explosive limit.

4.intrinsically safe type I equipment internal circuit under the conditions of the normal work or under the provisions of the failure state of the electrical discharge and thermal effects are not point explosive mixture.

5.oil filled type O will be the entire electrical equipment parts immersed in the protective liquid, so that the device can not be lit on the liquid surface or outside the shell of the explosive gas.

6.Sand filled Q electrical equipment of explosion-proof type, will be able to ignite explosive gas is fixed conductive member is completely buried in the filling material, in order to prevent the ignition of an external explosive gas environment.

7.Cast m will be able to ignite the part of the explosive mixture in the composite, so that it can not ignite the surrounding explosive gas.

8.non spark type n electrical equipment can not ignite the surrounding explosive gas (in normal working conditions and in the determination of the abnormal working conditions).
Above a few points, summed up the following, for your reference!

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Tel:+86-510-8560 0787、8561 3197    Fax: +86-510-8546 3203
Contact:Mr. Wang137 0618 1461
Add: No.38, Luou Rd., Xituo Area, Hudai Industrial Park, Binhu District, Wuxi

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